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 ###Instrução: Quantas pernas de play-off foram vencidas quando o prêmio em dinheiro era de £10.300?
 ###Tabelas: CREATE TABLE prize_money_won (prize_money_won_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Group Legs won INT, Play-Off Legs won INT, Winners Group Legs won INT, Winners Play-Off Legs won INT, Final position money won* VARCHAR, Total money won VARCHAR) CREATE TABLE season-by-season_record (season-by-season_record_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Games INT, Lost INT, Tied VARCHAR, Points INT, Goals for INT, Goals against INT, Standing VARCHAR) CREATE TABLE ethnic_groups (ethnic_groups_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Population INT, Native American VARCHAR, Whites VARCHAR, s Mestizo VARCHAR, es Mulatto VARCHAR, Blacks VARCHAR, s Zambo VARCHAR, Asians VARCHAR) CREATE TABLE mutant_cultivars (mutant_cultivars_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, "Inventor" VARCHAR, Marketed as VARCHAR, Mutated From VARCHAR, Assignee VARCHAR, Habit VARCHAR, Pattern VARCHAR, Earlier VARCHAR, Color VARCHAR, Plant Patent Number VARCHAR) CREATE TABLE farm_to_market_roads (farm_to_market_roads_id AUTO_INCREMENT PRIMARY KEY, Route Name VARCHAR, Direction VARCHAR, Termini VARCHAR, Junctions VARCHAR, Length VARCHAR, Population Area VARCHAR)  
SELECT COUNT Winners Play-Off Legs won FROM prize_money_won WHERE Total money won = £10,300